<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<title>Reranker Framework (ReFr): environment-impl.H Source File</title>

<link href="tabs.css" rel="stylesheet" type="text/css"/>
<link href="doxygen.css" rel="stylesheet" type="text/css" />

<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="search/search.js"></script>
<script type="text/javascript">
  $(document).ready(function() { searchBox.OnSelectItem(0); });
</script>

</head>
<body>
<div id="top"><!-- do not remove this div! -->


<div id="titlearea">
<table cellspacing="0" cellpadding="0">
 <tbody>
 <tr style="height: 56px;">
  
  
  <td style="padding-left: 0.5em;">
   <div id="projectname">Reranker Framework (ReFr)
   
   </div>
   <div id="projectbrief">Reranking framework for structure prediction and discriminative language modeling</div>
  </td>
  
  
  
 </tr>
 </tbody>
</table>
</div>

<!-- Generated by Doxygen 1.7.6.1 -->
<script type="text/javascript">
var searchBox = new SearchBox("searchBox", "search",false,'Search');
</script>
  <div id="navrow1" class="tabs">
    <ul class="tablist">
      <li><a href="index.html"><span>Main&#160;Page</span></a></li>
      <li><a href="namespaces.html"><span>Namespaces</span></a></li>
      <li><a href="annotated.html"><span>Classes</span></a></li>
      <li class="current"><a href="files.html"><span>Files</span></a></li>
      <li>
        <div id="MSearchBox" class="MSearchBoxInactive">
        <span class="left">
          <img id="MSearchSelect" src="search/mag_sel.png"
               onmouseover="return searchBox.OnSearchSelectShow()"
               onmouseout="return searchBox.OnSearchSelectHide()"
               alt=""/>
          <input type="text" id="MSearchField" value="Search" accesskey="S"
               onfocus="searchBox.OnSearchFieldFocus(true)" 
               onblur="searchBox.OnSearchFieldFocus(false)" 
               onkeyup="searchBox.OnSearchFieldChange(event)"/>
          </span><span class="right">
            <a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a>
          </span>
        </div>
      </li>
    </ul>
  </div>
  <div id="navrow2" class="tabs2">
    <ul class="tablist">
      <li><a href="files.html"><span>File&#160;List</span></a></li>
      <li><a href="globals.html"><span>File&#160;Members</span></a></li>
    </ul>
  </div>
</div>
<div class="header">
  <div class="headertitle">
<div class="title">environment-impl.H</div>  </div>
</div><!--header-->
<div class="contents">
<a href="environment-impl_8_h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Copyright 2012, Google Inc.</span>
<a name="l00002"></a>00002 <span class="comment">// All rights reserved.</span>
<a name="l00003"></a>00003 <span class="comment">//</span>
<a name="l00004"></a>00004 <span class="comment">// Redistribution and use in source and binary forms, with or without</span>
<a name="l00005"></a>00005 <span class="comment">// modification, are permitted provided that the following conditions are</span>
<a name="l00006"></a>00006 <span class="comment">// met:</span>
<a name="l00007"></a>00007 <span class="comment">//</span>
<a name="l00008"></a>00008 <span class="comment">//   * Redistributions of source code must retain the above copyright</span>
<a name="l00009"></a>00009 <span class="comment">//     notice, this list of conditions and the following disclaimer.</span>
<a name="l00010"></a>00010 <span class="comment">//   * Redistributions in binary form must reproduce the above</span>
<a name="l00011"></a>00011 <span class="comment">//     copyright notice, this list of conditions and the following disclaimer</span>
<a name="l00012"></a>00012 <span class="comment">//     in the documentation and/or other materials provided with the</span>
<a name="l00013"></a>00013 <span class="comment">//     distribution.</span>
<a name="l00014"></a>00014 <span class="comment">//   * Neither the name of Google Inc. nor the names of its</span>
<a name="l00015"></a>00015 <span class="comment">//     contributors may be used to endorse or promote products derived from</span>
<a name="l00016"></a>00016 <span class="comment">//     this software without specific prior written permission.</span>
<a name="l00017"></a>00017 <span class="comment">//</span>
<a name="l00018"></a>00018 <span class="comment">// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS</span>
<a name="l00019"></a>00019 <span class="comment">// &quot;AS IS&quot; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT</span>
<a name="l00020"></a>00020 <span class="comment">// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR</span>
<a name="l00021"></a>00021 <span class="comment">// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT</span>
<a name="l00022"></a>00022 <span class="comment">// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,</span>
<a name="l00023"></a>00023 <span class="comment">// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT</span>
<a name="l00024"></a>00024 <span class="comment">// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,</span>
<a name="l00025"></a>00025 <span class="comment">// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY</span>
<a name="l00026"></a>00026 <span class="comment">// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT</span>
<a name="l00027"></a>00027 <span class="comment">// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE</span>
<a name="l00028"></a>00028 <span class="comment">// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span>
<a name="l00029"></a>00029 <span class="comment">// -----------------------------------------------------------------------------</span>
<a name="l00030"></a>00030 <span class="comment">//</span>
<a name="l00031"></a>00031 <span class="comment">//</span>
<a name="l00036"></a>00036 <span class="comment"></span>
<a name="l00037"></a>00037 <span class="preprocessor">#ifndef RERANKER_ENVIRONMENT_IMPL_H_</span>
<a name="l00038"></a>00038 <span class="preprocessor"></span><span class="preprocessor">#define RERANKER_ENVIRONMENT_IMPL_H_</span>
<a name="l00039"></a>00039 <span class="preprocessor"></span>
<a name="l00040"></a>00040 <span class="preprocessor">#include &lt;sstream&gt;</span>
<a name="l00041"></a>00041 <span class="preprocessor">#include &lt;string&gt;</span>
<a name="l00042"></a>00042 <span class="preprocessor">#include &lt;tr1/unordered_map&gt;</span>
<a name="l00043"></a>00043 <span class="preprocessor">#include &lt;tr1/unordered_set&gt;</span>
<a name="l00044"></a>00044 <span class="preprocessor">#include &lt;typeinfo&gt;</span>
<a name="l00045"></a>00045 
<a name="l00046"></a>00046 <span class="preprocessor">#include &quot;<a class="code" href="environment_8_h.html" title="Provides an interface for an Environment, which contains a map from variables of a specific type (pri...">environment.H</a>&quot;</span>
<a name="l00047"></a>00047 
<a name="l00048"></a>00048 <span class="keyword">namespace </span>reranker {
<a name="l00049"></a>00049 
<a name="l00050"></a>00050 <span class="keyword">using</span> std::ostringstream;
<a name="l00051"></a>00051 <span class="keyword">using</span> std::string;
<a name="l00052"></a>00052 <span class="keyword">using</span> std::tr1::unordered_map;
<a name="l00053"></a>00053 <span class="keyword">using</span> std::tr1::unordered_set;
<a name="l00054"></a>00054 
<a name="l00070"></a><a class="code" href="classreranker_1_1_environment_impl.html">00070</a> <span class="keyword">class </span><a class="code" href="classreranker_1_1_environment_impl.html" title="Provides a set of named variables and their types, as well as the values for those variable...">EnvironmentImpl</a> : <span class="keyword">public</span> <a class="code" href="classreranker_1_1_environment.html" title="An interface for an environment in which variables of various types are mapped to their values...">Environment</a> {
<a name="l00071"></a>00071  <span class="keyword">public</span>:
<a name="l00076"></a>00076   <a class="code" href="classreranker_1_1_environment_impl.html#a950ed9620daeffdd2d3e26a9a58f5e0a" title="Constructs a new, empty environment.">EnvironmentImpl</a>(<span class="keywordtype">int</span> debug = 0);
<a name="l00077"></a>00077 
<a name="l00079"></a><a class="code" href="classreranker_1_1_environment_impl.html#a50a9c84d509eb54b5baa1acdc0a18bfe">00079</a>   <span class="keyword">virtual</span> <a class="code" href="classreranker_1_1_environment_impl.html#a50a9c84d509eb54b5baa1acdc0a18bfe" title="Destroys this environment.">~EnvironmentImpl</a>() {
<a name="l00080"></a>00080     <span class="keywordflow">for</span> (unordered_map&lt;string, VarMapBase *&gt;::iterator it = var_map_.begin();
<a name="l00081"></a>00081          it != var_map_.end(); ++it) {
<a name="l00082"></a>00082       <span class="keyword">delete</span> it-&gt;second;
<a name="l00083"></a>00083     }
<a name="l00084"></a>00084   }
<a name="l00085"></a>00085 
<a name="l00088"></a><a class="code" href="classreranker_1_1_environment_impl.html#ae88e17a317d959cf91bb4d5660a68c59">00088</a>   <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classreranker_1_1_environment_impl.html#ae88e17a317d959cf91bb4d5660a68c59" title="Returns whether the specified variable has been defined in this environment.">Defined</a>(<span class="keyword">const</span> <span class="keywordtype">string</span> &amp;varname)<span class="keyword"> const </span>{
<a name="l00089"></a>00089     unordered_map&lt;string, string&gt;::const_iterator it = types_.find(varname);
<a name="l00090"></a>00090     <span class="keywordflow">return</span> it != types_.end();
<a name="l00091"></a>00091   }
<a name="l00092"></a>00092 
<a name="l00095"></a>00095   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classreranker_1_1_environment_impl.html#ae8549b3ea2960701a99da3e6d4054c9e" title="Sets the specified variable to the value obtained from the following tokens available from the specif...">ReadAndSet</a>(<span class="keyword">const</span> <span class="keywordtype">string</span> &amp;varname, <a class="code" href="classreranker_1_1_stream_tokenizer.html" title="A simple class for tokenizing a stream of tokens for the formally specified language used to construc...">StreamTokenizer</a> &amp;st);
<a name="l00096"></a>00096 
<a name="l00097"></a><a class="code" href="classreranker_1_1_environment_impl.html#a275a8c6c31f7c2bb32a238c82065518d">00097</a>   <span class="keyword">virtual</span> <span class="keyword">const</span> <span class="keywordtype">string</span> &amp;<a class="code" href="classreranker_1_1_environment_impl.html#a275a8c6c31f7c2bb32a238c82065518d" title="Retrieves the type name of the specified variable.">GetType</a>(<span class="keyword">const</span> <span class="keywordtype">string</span> &amp;varname)<span class="keyword"> const </span>{
<a name="l00098"></a>00098     unordered_map&lt;string, string&gt;::const_iterator type_it =
<a name="l00099"></a>00099         types_.find(varname);
<a name="l00100"></a>00100     <span class="keywordflow">if</span> (type_it == types_.end()) {
<a name="l00101"></a>00101       <span class="comment">// Error or warning.</span>
<a name="l00102"></a>00102     }
<a name="l00103"></a>00103     <span class="keywordflow">return</span> type_it-&gt;second;
<a name="l00104"></a>00104   }
<a name="l00105"></a>00105 
<a name="l00106"></a><a class="code" href="classreranker_1_1_environment_impl.html#ac7b813bc8bb592d54f9f81c7b79a1c44">00106</a>   <span class="keyword">virtual</span> <a class="code" href="classreranker_1_1_var_map_base.html" title="A base class for a mapping from variables of a specific type to their values.">VarMapBase</a> *<a class="code" href="classreranker_1_1_environment_impl.html#ac7b813bc8bb592d54f9f81c7b79a1c44" title="Retrieves the VarMap instance for the specified variable.">GetVarMap</a>(<span class="keyword">const</span> <span class="keywordtype">string</span> &amp;varname) {
<a name="l00107"></a>00107     <span class="keywordflow">return</span> <a class="code" href="classreranker_1_1_environment_impl.html#a0b8461c2a65c4b439acc46d97ba01283" title="Retrieves the VarMap instance for the specified type.">GetVarMapForType</a>(<a class="code" href="classreranker_1_1_environment_impl.html#a275a8c6c31f7c2bb32a238c82065518d" title="Retrieves the type name of the specified variable.">GetType</a>(varname));
<a name="l00108"></a>00108   }
<a name="l00109"></a>00109 
<a name="l00111"></a><a class="code" href="classreranker_1_1_environment_impl.html#a0b8461c2a65c4b439acc46d97ba01283">00111</a>   <span class="keyword">virtual</span> <a class="code" href="classreranker_1_1_var_map_base.html" title="A base class for a mapping from variables of a specific type to their values.">VarMapBase</a> *<a class="code" href="classreranker_1_1_environment_impl.html#a0b8461c2a65c4b439acc46d97ba01283" title="Retrieves the VarMap instance for the specified type.">GetVarMapForType</a>(<span class="keyword">const</span> <span class="keywordtype">string</span> &amp;type) {
<a name="l00112"></a>00112     <span class="keywordtype">string</span> lookup_type = type;
<a name="l00113"></a>00113     <span class="comment">// First, check if this is a concrete Factory-constructible type.</span>
<a name="l00114"></a>00114     <span class="comment">// If so, map to its abstract type name.</span>
<a name="l00115"></a>00115     unordered_map&lt;string, string&gt;::const_iterator factory_type_it =
<a name="l00116"></a>00116         concrete_to_factory_type_.find(type);
<a name="l00117"></a>00117     <span class="keywordflow">if</span> (factory_type_it != concrete_to_factory_type_.end()) {
<a name="l00118"></a>00118       lookup_type = factory_type_it-&gt;second;
<a name="l00119"></a>00119     }
<a name="l00120"></a>00120 
<a name="l00121"></a>00121     unordered_map&lt;string, VarMapBase *&gt;::const_iterator var_map_it =
<a name="l00122"></a>00122         var_map_.find(lookup_type);
<a name="l00123"></a>00123     <span class="keywordflow">if</span> (var_map_it == var_map_.end()) {
<a name="l00124"></a>00124       <span class="comment">// Error.</span>
<a name="l00125"></a>00125     }
<a name="l00126"></a>00126     <span class="keywordflow">return</span> var_map_it-&gt;second;
<a name="l00127"></a>00127   }
<a name="l00128"></a>00128 
<a name="l00130"></a><a class="code" href="classreranker_1_1_environment_impl.html#a19bdb0da8cbaa2ba188d4d6415241741">00130</a>   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classreranker_1_1_environment_impl.html#a19bdb0da8cbaa2ba188d4d6415241741">Print</a>(ostream &amp;os)<span class="keyword"> const </span>{
<a name="l00131"></a>00131     <span class="keywordflow">for</span> (unordered_map&lt;string, VarMapBase *&gt;::const_iterator var_map_it =
<a name="l00132"></a>00132              var_map_.begin();
<a name="l00133"></a>00133          var_map_it != var_map_.end(); ++var_map_it) {
<a name="l00134"></a>00134       var_map_it-&gt;second-&gt;Print(os);
<a name="l00135"></a>00135     }
<a name="l00136"></a>00136   }
<a name="l00137"></a>00137 
<a name="l00139"></a><a class="code" href="classreranker_1_1_environment_impl.html#ae8b103a71223c7702ecaf33840d5e114">00139</a>   <span class="keyword">virtual</span> <a class="code" href="classreranker_1_1_environment.html" title="An interface for an environment in which variables of various types are mapped to their values...">Environment</a> *<a class="code" href="classreranker_1_1_environment_impl.html#ae8b103a71223c7702ecaf33840d5e114">Copy</a>()<span class="keyword"> const </span>{
<a name="l00140"></a>00140     <a class="code" href="classreranker_1_1_environment_impl.html" title="Provides a set of named variables and their types, as well as the values for those variable...">EnvironmentImpl</a> *new_env = <span class="keyword">new</span> <a class="code" href="classreranker_1_1_environment_impl.html#a950ed9620daeffdd2d3e26a9a58f5e0a" title="Constructs a new, empty environment.">EnvironmentImpl</a>(*<span class="keyword">this</span>);
<a name="l00141"></a>00141     <span class="comment">// Now go through and create copies of each VarMap.</span>
<a name="l00142"></a>00142     <span class="keywordflow">for</span> (unordered_map&lt;string, VarMapBase *&gt;::iterator new_env_var_map_it =
<a name="l00143"></a>00143              new_env-&gt;var_map_.begin();
<a name="l00144"></a>00144          new_env_var_map_it != new_env-&gt;var_map_.end(); ++new_env_var_map_it) {
<a name="l00145"></a>00145       new_env_var_map_it-&gt;second = new_env_var_map_it-&gt;second-&gt;Copy(new_env);
<a name="l00146"></a>00146     }
<a name="l00147"></a>00147     <span class="keywordflow">return</span> new_env;
<a name="l00148"></a>00148   }
<a name="l00149"></a>00149 
<a name="l00158"></a>00158   <span class="keyword">template</span>&lt;<span class="keyword">typename</span> T&gt;
<a name="l00159"></a>00159   <span class="keywordtype">bool</span> <a class="code" href="classreranker_1_1_environment_impl.html#ab3f0b07dc01a5fc63a4ab93ebe14bda6" title="Retrieves the value of the variable with the specified name and puts into into the object pointed to ...">Get</a>(<span class="keyword">const</span> <span class="keywordtype">string</span> &amp;varname, T *value) <span class="keyword">const</span>;
<a name="l00160"></a>00160 
<a name="l00161"></a>00161  <span class="keyword">private</span>:
<a name="l00163"></a>00163   <span class="keywordtype">string</span> InferType(<span class="keyword">const</span> <span class="keywordtype">string</span> &amp;varname,
<a name="l00164"></a>00164                    <span class="keyword">const</span> <a class="code" href="classreranker_1_1_stream_tokenizer.html" title="A simple class for tokenizing a stream of tokens for the formally specified language used to construc...">StreamTokenizer</a> &amp;st, <span class="keywordtype">bool</span> is_vector,
<a name="l00165"></a>00165                    <span class="keywordtype">bool</span> *is_object_type);
<a name="l00166"></a>00166 
<a name="l00168"></a>00168   unordered_map&lt;string, string&gt; types_;
<a name="l00169"></a>00169 
<a name="l00172"></a>00172   unordered_map&lt;string, VarMapBase *&gt; var_map_;
<a name="l00173"></a>00173 
<a name="l00176"></a>00176   unordered_map&lt;string, string&gt; concrete_to_factory_type_;
<a name="l00177"></a>00177 
<a name="l00178"></a>00178   <span class="keywordtype">int</span> debug_;
<a name="l00179"></a>00179 };
<a name="l00180"></a>00180 
<a name="l00181"></a>00181 <span class="keyword">template</span>&lt;<span class="keyword">typename</span> T&gt;
<a name="l00182"></a>00182 <span class="keywordtype">bool</span>
<a name="l00183"></a><a class="code" href="classreranker_1_1_environment_impl.html#ab3f0b07dc01a5fc63a4ab93ebe14bda6">00183</a> <a class="code" href="classreranker_1_1_environment_impl.html#ab3f0b07dc01a5fc63a4ab93ebe14bda6" title="Retrieves the value of the variable with the specified name and puts into into the object pointed to ...">EnvironmentImpl::Get</a>(<span class="keyword">const</span> <span class="keywordtype">string</span> &amp;varname, T *value)<span class="keyword"> const </span>{
<a name="l00184"></a>00184   unordered_map&lt;string, string&gt;::const_iterator type_it =
<a name="l00185"></a>00185       types_.find(varname);
<a name="l00186"></a>00186   <span class="keywordflow">if</span> (type_it == types_.end()) {
<a name="l00187"></a>00187     <span class="keywordflow">if</span> (debug_ &gt;= 1) {
<a name="l00188"></a>00188       ostringstream err_ss;
<a name="l00189"></a>00189       err_ss &lt;&lt; <span class="stringliteral">&quot;Environment::Get: error: no value for variable &quot;</span>
<a name="l00190"></a>00190              &lt;&lt; varname;
<a name="l00191"></a>00191       cerr &lt;&lt; err_ss.str() &lt;&lt; endl;
<a name="l00192"></a>00192     }
<a name="l00193"></a>00193     <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00194"></a>00194   }
<a name="l00195"></a>00195 
<a name="l00196"></a>00196   <span class="comment">// Now that we have the type, look up the VarMap.</span>
<a name="l00197"></a>00197   <span class="keyword">const</span> <span class="keywordtype">string</span> &amp;type = type_it-&gt;second;
<a name="l00198"></a>00198   unordered_map&lt;string, VarMapBase*&gt;::const_iterator var_map_it =
<a name="l00199"></a>00199       var_map_.find(type);
<a name="l00200"></a>00200 
<a name="l00201"></a>00201   <span class="keywordflow">if</span> (var_map_it == var_map_.end()) {
<a name="l00202"></a>00202     ostringstream err_ss;
<a name="l00203"></a>00203     err_ss &lt;&lt; <span class="stringliteral">&quot;Environment::Get: error: types_ and var_map_ data members &quot;</span>
<a name="l00204"></a>00204            &lt;&lt; <span class="stringliteral">&quot;are out of sync&quot;</span>;
<a name="l00205"></a>00205     <span class="keywordflow">throw</span> std::runtime_error(err_ss.str());
<a name="l00206"></a>00206   }
<a name="l00207"></a>00207 
<a name="l00208"></a>00208   <span class="comment">// Do a dynamic_cast down to the type-specific VarMap.</span>
<a name="l00209"></a>00209   <a class="code" href="classreranker_1_1_var_map_base.html" title="A base class for a mapping from variables of a specific type to their values.">VarMapBase</a> *var_map = var_map_it-&gt;second;
<a name="l00210"></a>00210   <a class="code" href="classreranker_1_1_var_map.html" title="A container to hold the mapping between named variables of a specific type and their values...">VarMap&lt;T&gt;</a> *typed_var_map = <span class="keyword">dynamic_cast&lt;</span><a class="code" href="classreranker_1_1_var_map.html" title="A container to hold the mapping between named variables of a specific type and their values...">VarMap&lt;T&gt;</a> *<span class="keyword">&gt;</span>(var_map);
<a name="l00211"></a>00211 
<a name="l00212"></a>00212   <span class="keywordflow">if</span> (typed_var_map == NULL) {
<a name="l00213"></a>00213     ostringstream err_ss;
<a name="l00214"></a>00214     err_ss &lt;&lt; <span class="stringliteral">&quot;Environment::Get: error: no value for variable &quot;</span>
<a name="l00215"></a>00215            &lt;&lt; varname &lt;&lt; <span class="stringliteral">&quot; of type &quot;</span> &lt;&lt; <span class="keyword">typeid</span>(*value).name()
<a name="l00216"></a>00216            &lt;&lt; <span class="stringliteral">&quot;; perhaps you meant &quot;</span> &lt;&lt; type &lt;&lt; <span class="stringliteral">&quot;?&quot;</span>;
<a name="l00217"></a>00217     cerr &lt;&lt; err_ss.str() &lt;&lt; endl;
<a name="l00218"></a>00218     <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00219"></a>00219   }
<a name="l00220"></a>00220   <span class="keywordtype">bool</span> success = typed_var_map-&gt;<a class="code" href="classreranker_1_1_var_map.html#a06ae9d1793c6e507b975ac23f9d7af58" title="Assigns the value of the specified variable to the object pointed to by the value parameter...">Get</a>(varname, value);
<a name="l00221"></a>00221   <span class="keywordflow">if</span> (!success) {
<a name="l00222"></a>00222     ostringstream err_ss;
<a name="l00223"></a>00223     err_ss &lt;&lt; <span class="stringliteral">&quot;Environment::Get: error: no value for variable &quot;</span>
<a name="l00224"></a>00224            &lt;&lt; varname &lt;&lt; <span class="stringliteral">&quot; of type &quot;</span> &lt;&lt; <span class="keyword">typeid</span>(*value).name()
<a name="l00225"></a>00225            &lt;&lt; <span class="stringliteral">&quot;; types_ and var_map_ data members are out of sync&quot;</span>;
<a name="l00226"></a>00226     <span class="keywordflow">throw</span> std::runtime_error(err_ss.str());
<a name="l00227"></a>00227   }
<a name="l00228"></a>00228   <span class="keywordflow">return</span> success;
<a name="l00229"></a>00229   }
<a name="l00230"></a>00230 
<a name="l00231"></a>00231 }  <span class="comment">// namespace reranker</span>
<a name="l00232"></a>00232 
<a name="l00233"></a>00233 <span class="preprocessor">#endif</span>
</pre></div></div><!-- contents -->
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
     onmouseover="return searchBox.OnSearchSelectShow()"
     onmouseout="return searchBox.OnSearchSelectHide()"
     onkeydown="return searchBox.OnSearchSelectKey(event)">
<a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark">&#160;</span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark">&#160;</span>Classes</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark">&#160;</span>Namespaces</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark">&#160;</span>Files</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark">&#160;</span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark">&#160;</span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(6)"><span class="SelectionMark">&#160;</span>Typedefs</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(7)"><span class="SelectionMark">&#160;</span>Enumerations</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(8)"><span class="SelectionMark">&#160;</span>Enumerator</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(9)"><span class="SelectionMark">&#160;</span>Friends</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(10)"><span class="SelectionMark">&#160;</span>Defines</a></div>

<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="javascript:void(0)" frameborder="0" 
        name="MSearchResults" id="MSearchResults">
</iframe>
</div>



<hr class="footer"/><address class="footer"><small>
Generated on Tue Apr 9 2013 11:56:29 for Reranker Framework (ReFr) by &#160;<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/>
</a> 1.7.6.1
</small></address>

</body>
</html>
